>invited me to a discord server
At least kids back then knew how to host their own TeamSpeak server ;) Clicking yourself a Discrd "server" is the easiest thing you can do.
They could 100% figure it out if TS was still a popular thing. What's with the assumption all the kids these days are utter zombies who can't think for themselves?
NAT and the slow adoption of IPv6 are partly to blame for this; so are phones. To host your own anything, you need a machine that can be left turned on (so a desktop fixed in one place) and an IP address.